<!DOCTYPE HTML>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
    <title>Index Page</title>
</head>
<body>
    <div>
        <h1 th:fragment="com1">我是碎片</h1>
    </div>
</body>
</html>